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Finding the Fourth Proportional to 299,676.68, 413,568.58 and 170,617.71

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Solution

The fourth proportional to 299,676.68, 413,568.58 and 170,617.71 is: 235,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,676.68 : 413,568.58 = 170,617.71 : x
  2. Step 2: Convert to fraction form
    299,676.68/413,568.58 = 170,617.71/x
  3. Step 3: Cross multiply
    299,676.68x = 413,568.58 × 170,617.71
  4. Step 4: Simplify right side
    299,676.68x = 70,562,124,260.82
  5. Step 5: Solve for x
    x = 70,562,124,260.82/299,676.68
  6. Step 6: Final answer
    x = 235,460.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.